static void Main()
{
var myTime = new Time2(); // call Time constructor
myTime.SetTime(11, 34, 15); // set the time to 11:34:15
// test the DisplayTime extension method
Console.Write("Use the DisplayTime extension method: ");
myTime.DisplayTime();
// test the AddHours extension method
Console.Write("Add 5 hours with the AddHours extension method: ");
var timeAdded = myTime.AddHours(5); // add five hours
timeAdded.DisplayTime(); // display the new Time2 object
// add hours and display the time in one statement
Console.Write("Add 15 hours with the AddHours extension method: ");
myTime.AddHours(15).DisplayTime(); // add hours and display time
// use fully qualified extension-method name to display the time
Console.Write("Use fully qualified extension-method name: ");
TimeExtensions.DisplayTime(myTime);
}
} // end Time2 three-argument overloaded method
// Time2 constructor: another Time2 object supplied as an argument
public void addtime(Time2 atime)
{
atime.SetTime(Hour, Minute, Second);
atime.addTime(Hour, Minute, Second);
}
public static void Main(string[] args)
{
try
{
// Test Case - 1
// Initializing constructor without parameters
Time2 t1 = new Time2();
Console.WriteLine("t1: all arguments defaulted");
Console.WriteLine(" {0}", t1.ToUniversalString());
Console.WriteLine(" {0}\n", t1.ToString());
// Test Case - 2
// Initializing constructor with one single parameter - hour
Time2 t2 = new Time2(2);
Console.WriteLine("Constructed with:\n");
Console.WriteLine("t2: hour specified; minute and second defaulted");
Console.WriteLine(" {0}", t2.ToUniversalString());
Console.WriteLine(" {0}\n", t2.ToString());
// Test Case - 3
// Initializing constructor with two parameters - hour, minute
Time2 t3 = new Time2(21, 34);
Console.WriteLine("t3: hour and minute specified; second defaulted");
Console.WriteLine(" {0}", t3.ToUniversalString());
Console.WriteLine(" {0}\n", t3.ToString());
// Test Case - 4
// Initializing constructor with all parameters - hour, minute, second
Time2 t4 = new Time2(12, 25, 42);
Console.WriteLine("t4: hour, minute and second specified");
Console.WriteLine(" {0}", t4.ToUniversalString());
Console.WriteLine(" {0}\n", t4.ToString());
// Test Case - 5
// Initializing constructor with previous object
Time2 t5 = new Time2(t4);
Console.WriteLine("t5: Time2 object t4 specified");
Console.WriteLine(" {0}", t5.ToUniversalString());
Console.WriteLine(" {0}", t5.ToString());
// Test Case - 6 (Negative Test Case)
// Adding invalid values for hour, minute, second
Time2 t6 = new Time2();
Console.WriteLine("Running test case #6 - Adding invalid values for hour, minute, second");
try
{
t6.addtime(25, 120, 120);
}
catch (ArgumentOutOfRangeException ex)
{
Console.WriteLine(ex.Message);
}
// Resetting the time object t1 to valid values
t6.SetTime(4, 5, 6);
// Test Case - 7 (Negative Test Case)
// Invalid values
Time2 t7;
try
{
t7 = new Time2(27, 45, 99);
}
catch (ArgumentOutOfRangeException ex)
{
Console.WriteLine("\n");
Console.WriteLine("\nException while initializing t7:");
Console.WriteLine(ex.Message);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.ReadKey();
}
